Staff ML Engineer: GenAI for Ad Creative

Candidate; Northern (KY); Hybrid; USD 230,000 - 322,000; Full time

Benefits offered by this job

Comprehensive Healthcare Benefits

401k with Employer Match

Paid Time Off

Parental Leave

Professional Development

Job summary

Reddit is seeking a Staff Engineer for Ads Creative Effectiveness to lead GenAI-based ad creation. Build best-in-class image, video, and copy generation pipelines that preserve fonts, logos, and brand assets while aligning with performance goals.

You will work across Product, Sales, Policy, UX, and Ads ML teams to embed ACE capabilities into the Ad Manager UI and delivery path, with a strong focus on safety and compliance.

Qualifications

• Deep ML expertise including tree models and neural nets.
• Experience with LLM/VLM fine-tuning and RLHF/RLPF for ads.
• Strong experimentation and uplift metric skills.
• Ability to distill ML trade-offs for non-technical stakeholders.

Responsibilities

• Architect end-to-end generative workflows for ad creative generation preserving brand assets.
• Build image/video editing capabilities with smart-cropping, inpainting, and style transfer.
• Fine-tune vision-language models using ad performance signals (CTR, CVR).
• Implement safety, copyright, and content-filtering layers.
• Collaborate with Product, Sales, Policy, UX, and Ads ML teams to integrate ACE into UI and delivery path.
• Establish guardrails and escalation paths for brand safety and compliance.

Skills

GenAI

LLM/VLM fine-tuning

RLHF/RLPF

Experimentation

Communication

Ad Creative tooling

Job description

Reddit is seeking a Staff Engineer for Ads Creative Effectiveness to lead GenAI-based ad creation. Build best-in-class image, video, and copy generation pipelines that preserve fonts, logos, and brand assets while aligning with performance goals.

You will work across Product, Sales, Policy, UX, and Ads ML teams to embed ACE capabilities into the Ad Manager UI and delivery path, with a strong focus on safety and compliance.